2 Seed egg hatching: grasshopper eggs are very small, the shell is very thin, in the incubation process should be gently held and put, once broken will affect the hatch rate. The introduction of seed eggs should be timely incubation, the specific method is: first in the grasshopper greenhouse to find a sunny place, the soil rake fine rake flat, and then the seed eggs evenly spread on the top, and then covered with 1 cm of fine soil can be. At this time, the soil moisture content is maintained between 20% and 30%, if the temperature in the shed is 28 ℃ to 33 ℃, the eggs can be hatched in 10 to 15 days. If you use the temperature of the soil manure fermentation to incubate eggs, the effect is better.
3 Larval management: the newly hatched grasshopper is white and turns black-brown after one day, and the feeding quantity is very small, only eating some tender corn, sorghum, wheat, grain seedling and some monocotyledonous young grass. So before the grasshopper is not hatched should be planted in the shed with corn, wheat, grain and other crops, as the grasshopper's open feed, which can reduce the mortality rate of young grasshoppers and accelerate their growth.
4 Adult management: as long as the temperature is suitable, adequate feed, the grasshopper molt every 5 to 6 days, each molt time is about 20 minutes, *** molt 5 times, so the grasshopper from the shell to the adult only takes about 30 days. During the management focus is: grasshopper every molt for an age, three ages before the grasshopper feeding is not large, the ability to survive poorer, so it should be carefully managed, such as in the event of heavy rain, it should be timely to cover the greenhouse with plastic sheeting, three ages after the rain is not afraid of. After three years of grasshopper foraging, every day to supply enough fresh grass to eat enough to eat well to accelerate the growth. 30 days or so grasshopper molted the last skin, long wings, into adulthood, has begun to mate and lay eggs.
5 Adult spawning: After 10 days of growth and development, most of the grasshoppers began to mate and lay eggs. The female grasshopper will lay eggs in the soil 2 to 3 centimeters, each grasshopper each time to lay 60 to 80 eggs, up to 100. If the temperature is suitable, the eggs can hatch in about 15 days. Most of the female grasshoppers die after laying eggs. Under the natural temperature, grasshoppers occur in two generations per year, the first generation is called summer grasshopper, which lays eggs at the end of June and the beginning of July, and the second generation is fall grasshopper, which lays eggs at the end of August and the beginning of September. If early spring and late fall are insulated with plastic sheeting, it can be easy to raise three batches per year, and the economic benefit is one-third higher than natural temperature culture. Locust artificial breeding technology (a) locusts a year divided into "summer locust" and "autumn locust". From the beginning of May to the beginning of July or so to grow into locusts and spawn, the completion of the first generation; soon, the second generation of locusts that is "autumn locusts" will naturally come out of the ground, to the beginning of September to spawn in the ground, and then die, the eggs can be natural overwintering.
One, locust breeding and management
Breeding shed construction and shed land organization in the shed before the ground ants, mole crickets wipe out clean, can be captured, booby-trapped, open fire and other methods. The above animals are the natural enemies of locusts and can prey on locusts and destroy locust eggs, so these animals cannot be allowed to exist in the shed. The floor of the shed should be 10 to 15 centimeters above the surrounding ground, in order to facilitate drainage during the rainy season. The best soil quality is sandy loam, which is not easy to clump and is convenient for laying and taking eggs, and the ground of the shed should be planted with wheat and other monocotyledonous crops to prepare the young locusts for consumption. The construction area of the shed should be determined according to the number of locusts raised, raising 10,000, with 15 square meters can be. You can use the yard inside and outside the free space, according to their own conditions can be used iron, big stick, bamboo pieces to build a shed support. Then according to the size of this trellis, with cold cloth to make a shed cover like a mosquito net, hanging on the trellis, the bottom edge buried in the ground, leaving the doorway, the doorway on the zipper. This device is to not let the locusts run out and easy to enter the shed feeding, management. The height of the shed 1.5 to 2 meters can be, in order to keep warm or rain, the shed can be covered with plastic sheeting. In high temperatures and locusts larger (more than three years old) are not afraid of rain, can not cover the plastic sheet. If you use natural conditions to breed flying locusts, the construction of the shed must be completed by the end of April. Choose a sunny place is appropriate.
Egg hatching and management of locust eggs can hatch when the temperature reaches 25-30 ℃. First prepare non-toxic soil, sawdust 2:1, moisture content 10% to 15%, lay 2 to 3 cm in the vessel, the locust eggs cloth are on the soil, eggs and then cover about 1 cm thick soil, the vessel and then on the layer of film. Check every half a day, found the young locusts, with a soft brush to the young locusts dial to the food in the shed. After 12 to 15 days of incubation, all the young locusts were hatched. Young locusts like to eat fresh wheat seedlings, corn seedlings, weeds and other monocotyledonous leaves, but the amount of food is very small, 1 to 3 age of young locusts should pay attention to rain. The temperature can best be controlled between 25 to 30 ℃, light in more than 12 hours, humidity to maintain about 15%, because in such conditions locusts are the most active, like to eat, conducive to growth. Flying locusts within the third age like to live in groups.
Three or more to adult feeding management of young locusts since the egg 5 to 7 days after the skin off once, shedding a skin that is an age, strong skin fast, weak skin slow, in the incubation process out of the ground there is also a successive difference. Above the age of three, the flight is particularly fast, and the amount of food is gradually increasing. At this time, it is necessary to ensure that there is sufficient food in the shed, first of all, the locusts are not full and will affect normal growth. In addition, there will be strong food weak, big eat small phenomenon, especially in the shedding of locusts can not move, the body is very soft, there is a danger of being eaten bite. Locusts above the third age can be added to wheat bran. 1 to 2 days to clear the shed once, to keep the shed clean. Locusts after five times after the skin, that is, to grow into adults, this time about June 15 or so, the flying locusts are generally feathered after 10 to 15 days into sexual maturity, began to cross, at this time the flying locusts are very fat, in addition to leaving some of the locusts laying eggs, the other locusts can be to the market sales, the time at the beginning of July is appropriate.
The management of locusts before and after spawning female locusts in the tail, the abdomen gradually became thick and long, yellow-brown deepening, male locusts are bright yellow. At this time to the shed ground neat, pat solid, in order to facilitate the female locust spawning, such as shed large flying locusts less, in order to spawn concentrated to facilitate the future take eggs, can be part of the shed ground with a plastic cover, leaving only part of the ground to the sun as the spawning area. The humidity in the shed is maintained at about 15%, and the locusts at this time have a large amount of food, which should be carefully supplied. Female locusts began to lay eggs around July 10, the female locust spawner is thick and short and curved, for two pairs of hard chisel-like spawning flaps, which penetrate the soil into the hole spawning. At the same time in the spawning secretion of gelatinous liquid, solidified in the egg outside the formation of water-resistant protective layer, the eggs surrounded by a block of eggs, the eggs of the overwintering role of protection.
The technology of locust farming East Asian flying locust belongs to the insect order, Orthoptera, locust family insects, according to statistics, the locust general family *** there are 223 genera, 859 species. It is one of the better varieties of locusts. East Asian flying locust grows in natural temperature conditions, two generations a year, the first generation is called the summer locust, the second generation for the autumn locust, flying locust has six legs, divided into the head, thorax, abdomen three parts, the thorax has two pairs of wings, the forewing is horny, the hindwing is membranous. The body is yellowish-brown, and the males show bright yellow in the copulation period, and the female locust has a body length of 39.5 to 51.2 millimeters. Male locust body length 33.0 to <--NEWSZW_HZH_BEGIN-->41.5 mm, adult good jump, good flight. East Asian flying locust body stout, wide range of feeding, adaptability, from hatching into young locusts, after 35 days of rearing process can be adult, 50 days or so after fattening can be sold, so the time is short, fast return. Raising adult 10,000 East Asian flying locusts up to 40 pounds, according to the current market price of 15 to 25 yuan a pound, the economic benefits are considerable, and purchase seeds only once. Self-propagation dozens of times, eggs hatch locusts, locusts have eggs, week after week, many years of breeding, constantly selling money, a female locusts can produce eggs 35 to 90 more than one time. The reason why the flying locust is favored, is because it is fluffy meat, tender, nutritious, analyzed and determined by experts, its protein content of up to 74.88%, fat content of 5.25%, carbohydrate content of 4.77%, and contains 18 kinds of amino acids and a variety of active substances.
Second, the breeding and management of East Asian flying locusts
1. The construction of the locust breeding shed and the organization of the shed in the building of the shed before the ground ants, mole crickets eliminated, with the capture, baiting, opening the fire, etc., the above types of animals is the natural enemy of the locusts, locusts can be preyed upon and destroyed locust eggs, so in the shed must not allow the presence of these animals. The floor of the shed should be 10-15 centimeters higher than the surrounding ground, in order to facilitate drainage during the rainy season. The best soil quality is sandy loam, which is not easy to clump and is convenient for egg laying and egg taking, and the ground of the shed should be planted with wheat and other single-leafed crops in preparation for the young locusts to eat. The construction area of the shed, according to the number of locusts to determine how much to raise 10,000, with 15 square meters can be used, you can use the yard and outside the free space, according to their own conditions can be used iron, big stick, bamboo pieces to build a shed support. Then according to the size of this trellis, with cold cloth to do a shed cover like a mosquito net, hanging on the trellis, the bottom edge buried in the ground, leaving the door, the door on the door on the zipper, this device is to prevent locusts from running out and easy to enter the shed feeding, management. The height of the shed 1.5 to 2 meters can be, in order to keep warm or rain, the shed can be covered with plastic sheeting. In high temperatures and locusts larger (more than three ages) are not afraid of rain, may not cover the plastic sheet. If you use natural conditions to breed locusts, the construction of the shed must be completed by the end of April. It is appropriate to choose a sunny place.
2. Flying locust egg incubation and management in the air temperature reaches 25 ~ 30 ℃, can be incubated, the natural temperature in the first half of May to. First prepare non-toxic soil, sawdust 2:1, moisture content of 10 to 15%, paved 2 to 3 cm in the vessel, the locust eggs cloth are on the soil, eggs and then covered with about 1 cm thick soil, the vessel and then on the layer of film. Check every half a day, found the young locusts, with a soft brush will be young locusts dial to the shed on the food. After 12 to 15 days of incubation, all the young locusts were hatched. Young locusts like to eat fresh wheat seedlings, corn seedlings, weeds and other monocotyledonous leaves, but the amount of food is very small, 1 to 3 age of young locusts should pay attention to rain. The temperature can best be controlled between 25 to 30 ℃, light in more than 12 hours, humidity to maintain about 15%, because in such conditions locusts are the most active, like to eat, conducive to growth. Flying locusts within the third age like to live in groups.
3.3 more than 3 to adult feeding management young locusts since the egg 5 to 7 days after the skin off once, shedding a skin that is an age, strong peeling fast, weak peeling slow, in the process of incubation out of the soil also have a successive difference. Above the age of three, the flight is particularly fast, and the amount of food is gradually increasing. At this time, it is necessary to ensure that there is sufficient food in the shed, first of all, the locusts are not full and will affect normal growth. In addition, there will be a phenomenon of strong and weak locusts eating small, especially the locusts that are shedding their skins can not move, and the body is very soft, there is a danger of being eaten and bitten. Locusts above the third age can add wheat bran. 1 to 2 days to clear the shed once, keep the shed clean. Locusts after five peeling, that is, growing into adults, this time about June 15 or so, the flying locusts generally feathered 10 to 15 days into sexual maturity, began to cross, at this time the flying locusts are very fat, in addition to leaving some of the locusts laying eggs, the other locusts can be sold to the market, the time in early July is appropriate.
4. The management of the flying locusts before and after spawning female locusts in the tail, the abdomen gradually became thick and long, yellow-brown deepening, male locusts are bright yellow. At this time to the shed ground neatly, pat solid, in order to facilitate the female locust spawning, such as shed large flying locusts less, in order to focus on spawning to facilitate the future eggs, can be part of the shed ground covered with plastic, leaving only part of the ground to the sun, as the spawning area. The humidity in the shed to maintain about 15%, at this time the locust food is very large, should be carefully supplied to the full. Female locusts began spawning around July 10, the female locust spawner is thick and short and curved, for the two pairs of hard chisel-like spawning flaps, which penetrate the soil into the hole spawning. At the same time in the spawning secretion of gelatinous liquid, solidified outside the egg to form a water-resistant protective layer, the eggs surrounded by a block of eggs, the eggs of the overwintering protection. The egg mass of the East Asian flying locust is brown, slightly cylindrical, slightly curved in the center, generally ranging from 40 to 70 millimeters long. Each locust egg has 35 to more than 90 grains, there are very few more than 100 grains. This is the summer locust. Locust eggs laid in the shed in the soil, for hatching the second generation of "autumn locust" eggs, in the shed can not move, in the temperature, humidity, light and other hatching conditions, the second generation of autumn locusts young locusts will naturally come out of the ground, the time is in July 20 to 25 or so, ready to sell or not for the second generation of locusts, to be taken out in a timely manner, with a humidity of 10% to 15% soil, a layer of soil, a layer of eggs, the last layer is the method of loading soil, loaded in large canning jars, the mouth of the bottle is sealed, placed in the refrigerator at 5 degrees to save. The feeding conditions and methods before and after spawning are basically the same as those for locusts above the third age. The difference is that the light should be up to 16 hours a day, and the feed should be sufficient and more concentrate feed.
Three, the locust eggs of the overwintering management of the locust eggs of the overwintering is very simple, we can let the locust eggs in the shed in situ over the winter, the locust spawning area after the winter cover some weeds, can play the purpose of heat preservation.
Four, the locusts on the food likes and dislikes and natural enemies
1, East Asian flying locusts feeding range is very wide, like feeding sheep, it likes to eat: reeds, thatch, wolfsbane, line even grass, discus grass. Gramineae: corn, wheat, sorghum, grain, etc., flying locusts do not like to eat plants. 2, in the collection of food for flying locusts, we must pay close attention to avoid the use of pesticide-carrying food. If you are not sure about the collected food, you can wash it in water and feed it. Another note and reminder is that the seed source of the first-time farmers can be purchased from farms or farmers, the introduction of grasshoppers or eggs can be. Special reminder: grasshopper is a special breeding, breeding should be cautious when there is no order and reliable sales. Locust rearing and management techniques to explore the management of locusts: first prepare non-toxic soil, new sawdust and soil mixed according to 2:1, the moisture content of 20% to 30%, in the apparatus or wooden boards on the laying of 3 cm to 5 cm thick, the eggs and then covered with about 1 cm thick of soil. After 10 days to 15 days of incubation, to "May Day" around the locusts can be all hatched. Young locusts after hatching, 7 days to take off the skin once, take off the skin for an age, **** take off the skin 5 times after becoming an adult, and then after 50 days, adults can be sold (500 to 700 per kilogram of locusts) or to stay in the seed spawning. In the 1 ~ 3 age period, the larvae feeding is very small, after 35 days into adults, feeding doubled, in addition to the collection of part of the wild weeds to feed, but also can be harvested artificially planted Mexican corn grass feeding.
Locust feeding 5 points
Locust feeding time in the morning 9 am to 5 pm, 2 to 3 times a day. When feeding locusts, spread the forage evenly in the shed.
The breeding shed should be covered in rainy weather because the ground is too wet and the locusts will not feed and die.
The density of feeding is generally 600 to 800 per square meter, and over-densification will result in strong feeding on weak, large feeding on small, or the ones that are shedding their skins being eaten.
Summer temperatures of up to 35 ℃ or more, it is necessary to shade the breeding shed, in the screen or shed appropriate sprinkling of water to supply moisture, if the shed is too dry will also cause locust death.
If locusts eat poisonous forage, they will die immediately. So if you don't know whether the forage is poisonous or not, it is better to wash it before feeding.